ilMADA PROMECAM

15 - USE OF NUMERICAL CONTROL (TYPE MB)

15 - 1 PRELIMINARY OPERATIONS

- Start-up: refer to section 11.2.

- The type of numerical control and the date of the software program are displayed for a few seconds (24). This display is followed by another, indicating the number of startups.

- The flashing entry START appears on the alphanumeric display device (item 31).

- One of the indicator lights up (inches or millimeters).

- Various segments appear on the displays (17 and 18).

- After this first operating phase, which takes place in a very brief time, the microprocessor is ready to carry out a first origin setting operation (X, V, R or Z).

- Press the flashing START key I START I (31) to start the origin setting.

- When resetting is completed (beep), go into write mode by pressing the I'~ I key (29).

Display the adjustment values; hold down the [E] key (11) for more than 2 seconds.

- The adjustment values are then displayed and can be modified. Check that they indeed correspond to the values shown on the inspection sheet that comes with your machine.

- Follow the procedure in section 15.4 to change the resetting values.

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&MADA PROMECAM

15 - 2 OPERATION

15 - 2 - 1 MANUAL MODE

- Press the D key (30) to go into manual mode.

roAI - Select the mm or inch unit by holding down w.J (13) for 2 seconds.

- By pressing the D D a (1, 2 or 3) keys, the alphanumeric display (24)

shows the entry MANUAL X, MANUAL Y or A = nn.n.

a) MANUAL X:

- Pressing the Q key (7) makes the X axis move away from the bending axis.

- Pressing the D key (8) makes the X axis move closer to the bending axis.

b) MANUAL Y:

- Pressing the Q key (7) makes the distance between the punches and dies increase

(pedal up, engaged).

- Pressing the D key (8) makes the distance between the punches and dies decrease

(pedal up, engaged).

A short impulse on (7) or (8) results in a movement of 0.01 mm.

NOTE:

Simultaneous pressing of (7) or (8) and (6) results in high-speed rotation of the motor of the axes In question (X or V).

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.MADA PROMECAM

c) A = nn.n

- Pressing the 8 key (7) makes the rear gauge stop lingers rise or separate (as

per R or Z configuration of gauge assembly).

- Pressing the D key (8) makes the rear gauge stop lingers descend or come

closer to each other.

When the values X, V, R or Z have been reached in accordance with the procedure below, the operator can carry out the bending operation.

I.T.S- USE OF NUMERICAL CONTROL (TYPE MB) 15 - 3/14

ilMADA PROMECAM

15 - 2 - 2 PROGRAMMING

- Go into programming mode by pressing I·€> I (29). All the display windows are empty,

except for 19 (bend number) and 20 (program number set to 1).

- The indicator lights (27) light up in accordance with the last selection made (inches or millimeters) .

- Select the program number (from 1 to 9) then press key c::::J (9).

The amount of available memory is displayed (maximum of 81 steps). The program number selected is displayed on (20). The number of the first non-programmed bend ;s displayed on (19).

1 - ENTERING X-AXIS VALUE

- Enter the dimension on the numeric key-pad (26).

- Press 0 key (1); the value appears on the display (18).

2 - ENTERING V-AXIS VALUE

- Enter the dimension on the numeric key-pad (26).

- Press c=:J key (2); the value appears on the display (17).

- A sound signal indicates and confirms that it has been stored in memory.

3 - ENTERING AUX-AXIS VALUE

- Enter the dimension on the numeric key-pad (26).

- Press 6 key (3); the value appears on the display (24).

4 - RELEASE OF PART

_ Between two successive bends, it may prove necessary to provide a withdrawal on the X axis, or simply a waiting time for this axis, before positioning a new part. -,,'

_ After a bend has been made, the rear gauge assembly is locked for a time that can be

programmed from 0 to 9 seconds.

- Program this time on numeric key-pad (26).

- Press ~ key (4).

- The withdrawal time is then entered in memory. _ Programming of a withdrawal time validates this value on the selected bend(s).

_ To cancel the withdrawal time programming, simultaneously press the

andthe ~ key (4).

o key (25)

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5 - CHANGING THE REAR GAUGE BLOCK WITHDRAWAL VALUE (IN PROGRAMMING MODE)

- Use the [IJ key (11) to call up the calibration values.

- Hold down (4) for two seconds to read the withdrawal values.

- Enter the selected dimension on the numeric key-pad (26) (0 to 600) and press G (4).

For example:

- Gauge assembly value (X) ;;; 100 - Required withdrawal = 50 - Enter 50 on the key-pad (26) _ The maximum withdrawal value must not exceed the capacity of the gauge assembly, i.e.

600 mm.

- Press the G key (4) to validate,

- The gauge assembly moves back to 150 mm, awaits the program time "t" before positioning itself for the next bend.

6 - MACHINE FUNCTION

- Key ~ (5) is used to confirm an external all or nothing function (for example, a solenoid).

- This function can be associated to making the selected bend, within a given program.

- Type the number of the function on the numeric key-pad (26) (from 1 to 6).

- Then press the ~ key (5).

To cancel a machine function, type 0 on the numeric key-pad (26) and press ~ (5),

7 - PROGRAMMING OF NEXT BEND

- Press the 0 key (10); program the bend according to the same procedure used for

bend number 1 .

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PAOMECAM

15 - 2 - 3 - RUNNING A PROGRAM

- Press the 0 key (29) to go into programming mode_ Type the number of the program

you wish to use on the key-pad (25), then press the ~ key (9).

- Press ~ (10) to display 1 in window 19.

- Press 0 (28) to go into run mode.

- The START indicator light (31) lights up. - Press START. The axes are positioned for bend number 1. - Make the bend (see cycle selection heading in section 11.3). - Each time the press starts to open, the axes are positioned for the next bend.

15 - 2 - 4 CORRECTION OF A BEND WITHIN A PROGRAM

Corrections may be made to the following parameters:

- Back position value (X). - Penetration value (Y). - Gauge assembly withdrawal value. - Gauge assembly withdrawal delay. - Machine function (auxiliary axis).

In all cases, press I'~ I (29) to go into programming mode.

1 - BACK POSITIONING OR PENETRATION VALUE

- Select the correction sign on the key-pad (26): <10 mm on X axis. - Type in the correction value on the key-pad (26): <10 mm on the Y axis.

- Type ~ (1) or ~ (2), according to the axis selected.

2 - GAUGE ASSEMBLY WITHDRAWAL DELAY

The gauge assembly withdrawal delay consists of reprogramming with new value(s), according to the procedure described in 15.2.2. Warning: Only one withdrawal value per part can be selected for n bends.

3 - MACHINE FUNCTIONS (SEE 15.2.6)

4 - DELETING A BEND

- Enter the number of the bend to be deleted on the key-pad.

- Press ~ key (10) and hold down; press the 0 key (25).

- WAIT appears on the alpha-numeric display (24). - Release the keys. - A sound signal indicates cancellation. - The numbering of the bends is automatically changed.

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PAOMECAM

15 - 2 - 5 DELETION Of A PROGRAM

- Enter the number of the program to be deleted on the numeric key-pad (26).

- Then press the 0 key (9), then holding it down press the 0 key (25),

- WAIT appears on the alpha-numeric display device (24).

- Release the keys.

A sound signal indicates cancellation of the program.

15 - 2 - 6 TRANSFER OF PROGRAM INTO EXTERNAL MEMORY

External memory capacity = 2 programs with a total of 45 bends. One of the programs can contain up to 30 bends.

- To transfer data from a program into an external memory, insert the external memory into the base (32).

- With the numeric control in 1-<;> 1 mode (29), retrieve the program (type in its number),

Press the 0 (9),

- Assign it a number (which is to be engraved on the housing of the memory, for example 1234).

- Then press ~ key (14),

- Press 1 or 2 on the numeric key-pad (26). according to the memory space available,

then press the 1 0-1 key (16)

- The following message appears on the alpha-numeric display device (24):

Write symbol W EXT 1 program number

- A beep indicates the end of transfer.

transfer into external memory

- Unplug the EPROMs from the memory and store them for future usage.

NOTE:

Caution : Watch out for possible program losses caused by overwriting In the external memory.

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PAOMECAM

15 - 2 - 7 TRANSFER OF A PROGRAM FROM EXTERNAL MEMORY INTO INTERNAL MEMORY

- Find an available programme number or make one available for a transfer into external memory, as explained in the preceding section.

- Press the 0 key (9) to make sure that there are enough bends available.

- Type 1 or 2 on key-pad (26), according to area of external memory to be transferred.

- Press the I <7-1 key (15) to make transfer .

. The following message appears on the alpha-numeric display (24):

Write symbol w

NOTE:

s

number of program selected

1234 program name

If there is a programming error (incorn~ct recording of data, entry error, omission,etc.), the word ERROR, followed by a number, appears on the alpha-numeric display device. This number is a means of Identifying the type of error (see section 15.5). COrrect the faulty parameter.

15 - 3 USE IN TEACHING MODE

- Press the key (30).

- Position the axes as described in section 15.2.1.

- When the axes are posijioned, press ~ (29).

- Press the 0 key (10) to confirm the first available bend.

- Press ! B> !(12),thensimuHaneOUSlypress0 (1)OrQJ(2)Or~ (3).

The value of X, Y or AUX will be stored in memory.

LEARNING USING MECHANICAL CONTROL WHEEL ON Y AXIS

- Press the to! key (29). At this time, the Y axis motor is in electrical'1ree wheel" mode.

- Operate handle by hand to obtain depth of bending desired.

- To store the Y axis dimension in memory, simultaneously press! B> !(12) and QJ (2).

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PROMECAM

15 - 4 SELF-DIAGNOSTIC

The self-diagnostic is a software programme that checks the operating status of certain components in the MB numerical control.

15 - 4- 1 INSTRUCTIONS FOR USE

To go into diagnostic mode:

- Press any key on the key-pad (1 to 16) before powering up.

- Turn on by holding down key until end of sound signal.

- The alpha-numeric display device (24) displays the DIAGNOSTIC message.

- After a few moments, the LED TEST message appears on the alpha-numeric display (?4).

- This is the first check.

- To run the test, press the ~ key (2) (YES).

To go to the next test before the preceding one is completed, press the 0 key (10) (NO).

15 - 4 - 2 CHECKING PHASE

The following checks are made:

1 - LED Test:

LED test FM test MEN test EXT test MAN test KEY test

The LED test checks the operation of the displays by lighting up the various segments, and of the LEOs related to the control keys, items 28, 29, 30 and 31.

2 - FM Test:

- The FM test checks the operation of the machine functions on 1 to 9, through sound signals (8 or 9 are software fu netio ns).

3 - MEN Test:

- The MEN test checks the operation of the two ER 3400 memories and initializes them.

- The alpha-numeric display (24) displays the message PASSED 1 and PASSED 2 and INIZ MEM.

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&iMADA PROMECAM

4 - EXT Test:

- The EXT test checks the operation the change of steps, the ends of travel, the encoders and the X, Y and AUX axes.

- This test is carried out by lighting up the various segments on the display (17, 18, 19,20,21 and 22).

5 - MAN Test:

- The MAN test checks the operation of the motors in manual mode.

- SimuHaneously press one of the keys 0 ~ or ~ (1, 2 or 3) and the key

8 or D (7 or 8) (slow-speed).

SimuHaneously press the Bkey (6) and one of the 8 or D keys

(7 or 8) (high-speed); only the keys that define the axis must be held down when checking the -....",JJ

motors. Operation stops when they are released.

- When running the motors, the displays related to the program and to the steps display the increments per turn (19, 20 and 24).

- To continue the self-diagnostic after the end of the test, simply press the 0 key (10).

6 - KEY Test:

- The KEY test checks the operation of tile function control keys and the key-pad keys.

- When one of the keys are pressed down, the alpha-numeric display (24) displays the key required.

7 - Exit from DIAGNOSTIC mode

- At the end of the test, you can go back to the beginning of the diagnostic. It is possible to again

run the MB numeric cijltrOI, tp. dothis, simu Itaneously press 8 (7), 0 (5) and

~ (3). After the beep, t~e numeric control is operational and requests a START.

8 - Return to Beginning of DIAGNOSTIC Mode

- At the end of the KEY test, you can go back to the beginning of the DIAGNOSTIC mode by

simultaneously pressing 0 (1) 0 (5) and 0 (9).

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_MADA PROMECAM

15 - 5 ERROR MESSAGES

- ERROR 00

-ERROR10

- ERROR 11

- ERROR 12

-ERROR13

-ERROR14

- ERROR 20

- ERROR 21

- ERROR 22

- ERROR 23

- ERROR 24

- ERROR 25

- ERROR 26

- ERROR 27

- ERROR 28

- ERROR 29

- ERROR 30

- ERROR 40

- ERROR 41

- ERROR 42

_0

- ERROR 43 .-.

- The position resetting has not been made correctly (see 16.1).

- The position resetting program does not contain the data required.

- The program only contains one step, hence impossible to increment step.

- It is not possible to access the next step if the step in progress is not completed.

- It is not possible to enter adjustment data in inches.

- The number of axes is not correct. START to restart the operation along three axes (see 16.1).

- It is not possible to write this data first into a completely empty step.

- Value greater than permissible maximum.

- Value lower than permissible minimum.

- The algebraic sum of successive corrections is greater than the maximum permissible value.

- The data containing the + or - sign is not permissible in this case.

- The data contains a comma, while a whole number value is permissible in this case.

- The required program is not between 1 and 9 inclusive.

- The required step is not between 1 and 30 inclusive.

- It is not possible to request a step in the adjustment program.

- It is not possible to writEkthis val~e into the adjustment program.

- There is no machine function greater than 8.

- The external memory is not correctly placed in its housing.

- The external memory does contain any data. The external memory is deleted.

- It is not possible to read or write the adjustment program into or from the external memory.

- The data written on th~~~a-numeric display is .. not correct.

'.j*'

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flMADA PROMECAM

- ERROR 44

- ERROR 45

- ERROR 46

- ERROR 47

- ERROR 50

- ERROR 51

- ERROR 52

- ERROR 53

- ERROR 60

- ERROR 78

- ERROR 80

- ERROR 81

- ERROR 82

- ERROR 91

- ERROR 92

- ERROR 93

- ERROR 95

- ERROR 96

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- It is not possible to transfer an empty program into the external memory.

- The external memory does not have enough space to continue the program that you wish to transfer.

- The internal memory does not have enough space to hold the program that you wish to read from the external memory.

- It is not possible to transfer a program with a bend which is not completely defined into the external memory.

- It is not possible to run the adjustment program in automatic mode.

- The last program is not completely written.

- Program not runnable because it is completely empty.

- Withdrawal impossible because greater than maximum dimension for X.

- Dimension of data displayed greater than maximum permissible value.

- Impossible to delete a step that does not exist.

- Memory needs to be initialized. Control code missing (see 16.1 and run MEM test (see 15.4.3)).

- Internal memory 1 not operating correctly, sampled in self­diagnostic mode (see 16.1).

- Internal memory 2 not operating correctly, sampled in self­diagnostic mode (see 16.1).

- Faulty op'3ration of X axis motor in automatic mode. Positioning control not executed.

- Faulty operation of Y axis motor in automatic mode. Positioning

control not executed.

- Faulty operation of AUX axis motor in automatic mode. Positioning control not executed.

- The X axis has a dimension lower than 0 (see 15.1).

- The position resetting has not been made. It is impossible to going to manual or automatic mode (see 16.1).

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iiMADA PROMECAM

15 - 6 TROUBLE - SHOOTING

FAILURES

Total blockage of one or several motors

Incorrect operation of one or several motors.

POSSIBLE CAUSES AND CORRECTIVE ACTIONS

- For X and Y axes D.C. motors: possible fault on CMT board, or deterioration of transformer secondary supply fuses

- For motors: possible fault on APP 3, RCC or MOT boards.

- For D.C. motors: faulty connection of armatures.

- Probable fault on intermediate boards (speed control, direction of running)

- See trouble shooting table.

F au Its that show up as - Check entry of position resetting. incorrect counting in axes movement. The values - Probable fault on microprocessor board. indicated do not correspond to the actual values. - Probable fault on encoder of axis concerned.

Incorrect counting on one of - Probable fault on intermediate board. axes (see diagnostic mode).

Faults involving storage in memory of data and involving external memory*.

Memory storage general

- No supply voltages for memories (-30 V* and -12 V*) being looked for an emergency stop (power) and AL3 (numerical control unit) boards.

failure: the data is not stored - Probable fault on intermediate board. in memory,' neither in internal nor external memory.

Error n°

91 92

93

91 92

80

• It is possible to use the external memory along with a voltmeter to check the -30 V and -12 V voltages.

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PROMECAM

FAILURES POSSIBLE CAUSES Error AND CORRECTIVE ACTIONS n°

Failure involving external - A particu lar external memory is not working 40 memory. correctly (memory damaged or deteriorated). 41

- No external memory is operating correctly. 44 45

- On the external memory base: between the foot of the base, there may be dust or grease, for example, which isolates the contact, or the contacts on the base are not correctly clamped onto the memory pins.

Failures due to incorrect - Probably a faulty component (alpha-numeric or

operation of particular display numeric display) O.

or keys. - Probable fault on display decoding circuit on front panel board.

A particular display or segment is not attained.

One or several keys do not - Faulty key~ KEY test. respond to commands. - Probable fault at decoding level (see trouble-

shooting table when an operating error has been made).

General blockage of equipment.

General blockage with total - No +5 V power supply available on AL3 or AU

extinction of displays and (emergency stop) boards.

LEDs.

General blockage with steady - Temporary unavailability of supply voltage: in

light-up of displays and no this case, it is advisable to turn off and turn

reaction to key commands: the equipment back on. - Much disturbance on electric line, affecting

equipment. - The microprocessor is probably damaged.

Fault involving one or several - Probable failure on interface circuit on

machines. intermediate board. IMPORTANT: Fit the machine function relay with

diodes set in parallel on the coil.

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